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ISO/IEC 19794-15:2017

(Main)

Information technology — Biometric data interchange format — Part 15: Palm crease image data

Information technology — Biometric data interchange format — Part 15: Palm crease image data

ISO/IEC 19794-15:2017 specifies an image interchange format for biometric person identification or verification technologies that utilize human palm crease biometric images and can be used for the exchange and comparison of palm crease image data. It specifies a data record interchange format for storing, recording, and transmitting palm crease biometric information from palm crease imaging. It defines the contents, format, and units of measurement for the image exchange. The format consists of mandatory and optional items, including scanning parameters, compressed or uncompressed image specifications and vendor-specific information. Information compiled and formatted in accordance with this document can be recorded on machine-readable media or may be transmitted by data communication facilities.

Technologies de l'information — Formats d'échange de données biométriques — Partie 15: Données relatives à l'image des lignes de la main

General Information

Status
Published
Publication Date
08-May-2017
ICS
35.040 - Information coding
35.240.15 - Identification cards. Chip cards. Biometrics
Technical Committee
ISO/IEC JTC 1/SC 37 - Biometrics
Drafting Committee
ISO/IEC JTC 1/SC 37/WG 3 - Biometric data interchange formats
Current Stage
9093 - International Standard confirmed
Completion Date
06-Sep-2024
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ISO/IEC 19794-15:2017 - Information technology -- Biometric data interchange format
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INTERNATIONAL ISO/IEC
STANDARD 19794-15
First edition
2017-05
Information technology — Biometric
data interchange format —
Part 15:
Palm crease image data
Technologies de l’information — Formats d’échange de données
biométriques —
Partie 15: Données relatives à l’image des lignes de la main
Reference number
©
ISO/IEC 2017
© ISO/IEC 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO/IEC 2017 – All rights reserved

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative reference . 1
3 Terms and definitions . 1
4 Abbreviated terms . 2
5 Conformance . 2
6 Data conventions . 2
6.1 General . 2
6.2 Scan sequence . 3
7 Image capture requirements . 3
7.1 Spatial sampling rate . 3
7.2 Bit-depth . 4
7.3 Illumination . 4
7.4 Pixel aspect ratio . 4
7.5 Report structure . 4
7.6 Standard pose . 4
7.7 Occlusion by opaque artifacts . 5
8 Palm crease image format specification . 5
8.1 General data elements — Version . 5
8.2 Representation of specific data elements . 6
8.2.1 Overview . 6
8.2.2 Capture date and time . 6
8.2.3 Capture device type . 6
8.2.4 Quality block . 7
8.2.5 Image type . 7
8.2.6 Image width and image height . 7
8.2.7 Bit-depth . 8
8.2.8 Image position and property . 8
8.2.9 Image colour and compression . 9
8.2.10 Illumination type .10
8.2.11 Image background .10
8.2.12 Horizontal scan resolution .10
8.2.13 Vertical scan resolution .10
8.2.14 Pixel aspect ratio .10
8.3 Image data .10
8.4 Extended data .11
8.4.1 Extended data block function .11
8.4.2 Extended data block . .11
9 Registered format type identifiers .12
Annex A (normative) Conformance testing methodology .13
Annex B (normative) XML schema .15
Annex C (informative) XML sample .19
© ISO/IEC 2017 – All rights reserved iii

Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical
activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international
organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the
work. In the field of information technology, ISO and IEC have established a joint technical committee,
ISO/IEC JTC 1.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for
the different types of document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject
of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent
rights. Details of any patent rights identified during the development of the document will be in the
Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO’s adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: w w w . i s o .org/ iso/ foreword .html.
This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 37, Biometrics.
A list of all parts in the ISO/IEC 19794 series can be found on the ISO website.
iv © ISO/IEC 2017 – All rights reserved

Introduction
Palm crease biometric technologies have existed for many years. Additionally, new technologies
employing palm crease images obtained from hands are emerging or under continuous improvement as
a result of new, state-of-the-art imaging devices for mobile applications or web services.
Currently however, palm crease biometric image information is being exchanged between the
equipment and devices from different vendors without standardized format is the problem. This is due
in part to the lack of standardized formats for information exchange that would ensure interoperability
among the various vendors.
The purpose of this document is to define a standard for the exchange of human palm crease biometric
image information. The standard defines specific attributes, a data record format for storing and
transmitting palm crease biometric images and certain attributes, a sample record, and conformance
criteria.
This document is intended for applications requiring the exchange of raw or processed palm crease
biometric images. It is intended for applications not limited by the amount of storage required. It is a
compromise or a trade-off between storage and quality and can be resolved by standardized format.
It enables various algorithms to identify or verify the palm crease biometric image data transferred
from other image sources. Currently, available palm crease biometric technologies that may utilize
this document for image exchange are technologies that use palm for mobile applications for identify
verification or web services.
The use of captured source images can provide interoperability among and between vendors relying
on various different recognition or verification algorithms. Accordingly, data from the captured palm
crease biometric image offers the developer more freedom in choosing or combining a comparison
subsystem
In this document, Annex A contains the conformance testing methodology and Annex B contains the
XML schema. Annex C contains the XML sample program.
© ISO/IEC 2017 – All rights reserved v

INTERNATIONAL STANDARD ISO/IEC 19794-15:2017(E)
Information technology — Biometric data interchange
format —
Part 15:
Palm crease image data
1 Scope
This document specifies an image interchange format for biometric person identification or verification
technologies that utilize human palm crease biometric images and can be used for the exchange and
comparison of palm crease image data. It specifies a data record interchange format for storing,
recording, and transmitting palm crease biometric information from palm crease imaging. It defines the
contents, format, and units of measurement for the image exchange. The format consists of mandatory
and optional items, including scanning parameters, compressed or uncompressed image specifications
and vendor-specific information. Information compiled and formatted in accordance with
...

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